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Utilities 77
Table 3-7 (Cont.)
Boot Flags Used by VMS
Flag
00000080
00000100
00000200
00000400
00000800
00001000
00002000
00004000
00008000
00010000
xooooooo
Deftnltlon
RPB$V
_NOTBST -
Memory test inhibit. Sets a bit in the PFN
bit map for each page of memory present Does not test the
memory.
RPB$V
_SOUCT
-
File
name. Prompt for the name of a
secondary bootstrap file.
RPB$V _HALT -
Halt before transfer. Executes a halt instruction
before transferring control to the secondary bootstrap.
RPB$V
_NOPFND
- No PFN deletion (not implemented; intended
to tell VMB not to read a file
from
the boot device that identifies
bad or reserved memory pages, so that VMB does not mark these
pages
as
valid in the PFN bitmap).
RPB$V
_MPM -
Specifies that multiport memory is to be used
for the total exec memory requirement. No local memory
is
to be
used. This is for
tightly-coupled
multiprocessing. If the DIAO
is
also on, then the diagnostic supervisor enters AUI'OTEST mode.
RPB$V _PFILE -
(overlays RPB$V _USEMPM) File name.
Prompt
for the name of the parameters file on a network bootstrap
operation.
RPB$V _MEMTEST -
Specifies that a more
extensive
algorithm
be used when testing main memory for hardware uncorrectable
(RDS) errors.
RPB$V
_FINDMEM
-
Requests use of MA780 memory if MS780
is insufficient for
booting.
Used for
uns2
installations.
RPB$V _AUI'OTEST -
Used by diagnostic supervisor.
RPB$V _ CRDTEST -
Request pages with CRD errors to be
removed from bitmap.
RPB$V _TOPSYS -
The
X
position specifies the top level
directory nwnber for system disks with multiple systems.
3.4 Setting the NVR Default Recovery Action Flags
(T 53)
Use the TEST 53 utility or by use the SET HALT command set the
recovery
action flag. Both methods set the default
recovery
action
in
the NVR. The
default
recovery
action flag is used by the
system
during power up and also if
the system detects a severe error of
its
operating
environment. There are
three
flags to choose
from: restart,
boot, or halt. Restart searches for the restart
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